Gumley House RC Convent School, FCJ vs St Mary's Catholic Primary School, Isleworth
A head-to-head comparison of two schools in London, England, 224 m apart, using official English 2025 data. The better value in each row is highlighted.
Gumley House RC Convent School, FCJ
Isleworth · Academy secondary · Ages 11–18
1,013 students
St Mary's Catholic Primary School, Isleworth
Isleworth · Local authority primary · Ages 3–11
399 students
| Measure | Gumley House RC Convent School, FCJ Isleworth, London | St Mary's Catholic Primary School, Isleworth Isleworth, London |
|---|---|---|
| Success Index (England) | 76 Top 25% | 75 Top 25% |
| Region rank | #160 of 640 | #510 of 1,720 |
| National rank | #754 of 4,090 | #2955 of 15,697 |
| Sector | Academy | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 3–11 |
| Students | 1,013 | 399 |
| Pupils on roll | 1,013 | 399 |
| Free school meals | 23.6% | 13.1% |
| Capacity filled | 83% | 95% |
| KS2 expected standard (RWM) | – | 76% |
| KS2 higher standard (RWM) | – | 11% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 56.3 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 65.6% | – |
| Grade 4+ English & maths | 79.4% | – |
| EBacc average points | 5.01 | – |
| A level points per entry | 33.5 | – |
| town | Isleworth | Isleworth |
| region | London | London |
| Website | www.gumleyhouse.com/ | www.smi.hounslow.sch.uk |
The verdict
- •Both schools have almost identical Success Index (England) scores (75.7 vs 75.2).
- •Gumley House RC Convent School, FCJ is the larger school with 1,013 students compared with 399.
- •Gumley House RC Convent School, FCJ is a academy school while St Mary's Catholic Primary School, Isleworth is a local authority school, so fees and admission rules differ.
- •Gumley House RC Convent School, FCJ is girls and St Mary's Catholic Primary School, Isleworth is co-educational.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Gumley House RC Convent School, FCJ better than St Mary's Catholic Primary School, Isleworth?
The two schools are very close on the Success Index (England). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Gumley House RC Convent School, FCJ and St Mary's Catholic Primary School, Isleworth?
About 224 m in a straight line, between Isleworth and Isleworth in London.
Which has the better Pupils on roll?
Gumley House RC Convent School, FCJ: 1,013. St Mary's Catholic Primary School, Isleworth: 399. Number of pupils in the latest school census.
How do Gumley House RC Convent School, FCJ and St Mary's Catholic Primary School, Isleworth rank in London?
Gumley House RC Convent School, FCJ is 160th of 640 and St Mary's Catholic Primary School, Isleworth is 510th of 1,720 among secondary schools in London on the 2025 Success Index (England).